Sounds like you plan to run boost ore N2O ... if so, how much? (keep the tops thick and the rings low if increasing pressure)
Why do you need to cut the skirts??
DD
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| TRW L2125F pistons https://slantsix.org/forum/viewtopic.php?t=45825 |
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| Author: | icepaddles [ Wed Aug 03, 2011 2:16 pm ] |
| Post subject: | TRW L2125F pistons |
Can I use the TRW's in a turbo engine? Can I mill the top or skirt of these pistons? |
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| Author: | Joshie225 [ Wed Aug 03, 2011 4:59 pm ] |
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Yes and yes. |
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| Author: | icepaddles [ Thu Aug 04, 2011 3:03 pm ] |
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Cool, I read that sealed power had redesigned them as they were hard on bottem end. Are there paramiters to follow as to (1) general ligthening (2) lowering compression ? I guess I could take my surface gage and measure the head thickness, what would be min. thickness? Should I measure other pistons to cut the skirt? |
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| Author: | Doc [ Thu Aug 04, 2011 4:04 pm ] |
| Post subject: | |
Sounds like you plan to run boost ore N2O ... if so, how much? (keep the tops thick and the rings low if increasing pressure) Why do you need to cut the skirts?? DD |
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| Author: | CNC-Dude [ Thu Aug 04, 2011 5:10 pm ] |
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Quote: Cool, I read that sealed power had redesigned them as they were hard on bottem end.
Don't lighten the pistons at all, you couldn't remove enough material to even tell the difference anyway. They need all the mass they can get for a forced induction application.Are there paramiters to follow as to (1)general lightening (2) lowering compression I guess I could take my surface gage and measure the head thickness, what would be min. thickness? Should I measure other pistons to cut the skirt? If you need to lower the compression considerably, don't remove it from the piston crown, it needs to be as thick as possible. Relieve the chamber/and or adjust with the head gasket if possible. As Doc said, how much boost or nitrous are you planning to be using. I built many 5.0 Mustangs for some top NMCA racers that used either nitrous or superchargers. With nitrous levels of 400 HP and higher, I put the top ring down .350, and the crown was .450 thick at the minimum. Same for the supercharged engines. Pistons were pretty heavy and the wrist pins were .187 taper wall x 2.950 length(187 grams). |
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| Author: | Exner Geek [ Thu Aug 04, 2011 5:26 pm ] |
| Post subject: | |
If your pistons have a locating hole in the center of the top do not do any lightening that would reduce the thinckness of the head at the bottom of that hole. |
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| Author: | icepaddles [ Thu Aug 04, 2011 6:43 pm ] |
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Ok; I was worriied I could bang up the bearings, just wondering why they might have changed the design. |
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